OK...I need Some help! - Ford Powerstroke Diesel Forum
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post #1 of 18 Old 02-07-2007, 04:52 AM Thread Starter
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OK...I need Some help!

I was leaving the house the other day, just like everyday in my '99 F350 PS, and about a mile down the road the motor dies and wouldn't restart. Had a full tank so it wasn't out of fuel so I had it towed home. The next morning I tried to start it ...it started up and ran fine for about 10 minutes untill it got warmed up, then died again unable to restart. I was thinking it must not be something too major since it will restart after it sits awhile so I am hesitant to haul it down to the dealer if it's some simple fix. I don't have a code checker to pull any codes so if anyone reckognizes these symptoms of shutting down after it warms up I would appreciate any suggestions. Thanks!
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post #2 of 18 Old 02-07-2007, 04:59 AM
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Originally Posted by Ford Lover View Post
I was leaving the house the other day, just like everyday in my '99 F350 PS, and about a mile down the road the motor dies and wouldn't restart. Had a full tank so it wasn't out of fuel so I had it towed home. The next morning I tried to start it ...it started up and ran fine for about 10 minutes untill it got warmed up, then died again unable to restart. I was thinking it must not be something too major since it will restart after it sits awhile so I am hesitant to haul it down to the dealer if it's some simple fix. I don't have a code checker to pull any codes so if anyone reckognizes these symptoms of shutting down after it warms up I would appreciate any suggestions. Thanks!

Could be fuel filter, Cps (Cam Positioning Sensor), Could be the fuel Pump, What is the temp where your at.


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2005 6.0 Crew Cab Long Box Lariat, current truck

2004 6.0 destroyed by contaminated fuel

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post #3 of 18 Old 02-07-2007, 05:00 AM
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to the site Ford Lover, you came to the right place. The first thing anyone here will tell you is to carry a spare CPS and a 10mm socket and ratchet in the truck. I'm no tech but that seems to be the norm. I'm sure one of the "smart" guys will come along and give you some help real soon.

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post #4 of 18 Old 02-07-2007, 05:03 AM
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sounds to me like it could be ,maybe a cam sensor ,or oil level, is it full and has it been changed lately

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post #5 of 18 Old 02-07-2007, 05:13 AM Thread Starter
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I live down here in sunny Southern California just north of San Diego where we have been enjoying beautiful Spring-like weather in the mid 70's. I had the CPS go out once before, but back then the symptoms were more like it had bad fuel...bucking and coughing for awhile then smoothing out. This time it just dies and won't restart so I thought it may be something different this time. Has anybody had their truck outright die from a bad CPS before?
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post #6 of 18 Old 02-07-2007, 05:24 AM
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absolutely ,can shut all the way down

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post #7 of 18 Old 02-07-2007, 05:24 AM
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I live down here in sunny Southern California just north of San Diego where we have been enjoying beautiful Spring-like weather in the mid 70's. I had the CPS go out once before, but back then the symptoms were more like it had bad fuel...bucking and coughing for awhile then smoothing out. This time it just dies and won't restart so I thought it may be something different this time. Has anybody had their truck outright die from a bad CPS before?
Cam Sensor is a funny thing on the 7.3L sometimes it gives you warning of going and other times it just goes out and the truck just dies. When mine went out it I would be driving down the road and the truck just fall flat on its face and die. I then just threw the truck in neutral and shut it down and it would fire back up. Then I decided to replace the sensor. Sounds like your truck as the same thing going on that mine did but you are unable to start it back up right away.


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post #8 of 18 Old 02-07-2007, 09:30 AM
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Yep, sounds like the infamous CPS. Mine did the same as bigcountry's. The local stealership wanted $170 for a new CPS sensor plus $80 to install it. With the guidance of the great people here on the forum I looked on ebay and found a new CPS for $55. I haven't recieved it yet, but install sounds really easy. You just need a 10mm socket (6-point) on a 1/4" drive with an extension. Good luck.

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post #9 of 18 Old 02-07-2007, 09:31 AM
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Why doesn't ford or international come up with a fix if this is happening alot? That's the question.

SOLD! Bought a Dodge Cummins
2001 F350 Crewcab Lariat 7.3 PSD w/ offroad, tow, and camper pkg.
6" Revtech suspension lift
18" Weld Mountain Crushers wearing 37" Toyo Muds
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post #10 of 18 Old 02-07-2007, 10:22 AM
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Why doesn't ford or international come up with a fix if this is happening alot? That's the question.
Because if they did they would loose money. The only thing that keeps them in bussiness is the sales of the cps. Being the rest of the engine is pretty much bullet proof.


Your Actions Today, Decide Your Future Tomorrow

2005 6.0 Crew Cab Long Box Lariat, current truck

2004 6.0 destroyed by contaminated fuel

2002 7.3L burnt
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